Jan 31 2010

What does “> /dev/null 2>&1″ mean?

I remember being confused for a very long time about the trailing garbage in commands I saw in Unix systems, especially while watching compilers do their work. Nobody I asked could tell me what the funny greater-thans, ampersands and numbers after the commands meant, and search engines never turned up anything but examples of it being used without explanation. In this article I’ll explain those weird commands.

Here’s an example command:

 command > /dev/null 2>&1 

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Jan 6 2010

Free LPI Linux Certification Courses

Posted by Nikesh Jauhari

LPI Exam 101:

These 5 LPI 101 tutorials will assist you in getting ready for taking and passing these topics in the LPI exam 101. Exam 101 is the first of two junior-level system administrator exams. Both exam 101 and exam 102 are required for LPIC-1 certification, which is the junior level.

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